Add gap: to the CSP to plugins work on iOS 10
Add gap: to the CSP to plugins work on iOS 10

On iOS 10 Apple is stricter with the CSP and using `*` still doesn't allow `gap:`, which is needed for plugins to work
mxhub/wdw,phonegap/phonegap-template-hello-world,phonegap/phonegap-template-hello-world,phonegap/phonegap-app-hello-world,phonegap/phonegap-app-hello-world,mxhub/wdw